.page-faq {
  --faq-rail: 236px;
  --faq-ink-soft: rgba(27, 31, 42, .78);
  --faq-line: rgba(27, 31, 42, .13);
  --faq-focus: #0F9F8F;
  background: var(--xb-midnight);
  color: var(--xb-silver);
}

/* ---------- 顶部上下文 ---------- */
.page-faq .faq-top {
  padding: 18px 0 6px;
}

.page-faq .xb-crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--xb-slate);
}

.page-faq .xb-crumbs a {
  color: var(--xb-silver);
  text-decoration: none;
}

.page-faq .xb-crumbs a:hover,
.page-faq .xb-crumbs a:focus-visible {
  color: var(--xb-cyan);
}

.page-faq .xb-crumbs__sep {
  color: var(--xb-slate);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 34px 0 62px;
  background:
    radial-gradient(1100px 400px at 84% -12%, rgba(41, 242, 214, .16), transparent 66%),
    radial-gradient(720px 320px at 4% 112%, rgba(255, 106, 43, .16), transparent 72%);
  border-bottom: 1px solid var(--xb-line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(195, 203, 217, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(195, 203, 217, .055) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 84%);
          mask-image: linear-gradient(180deg, #000, transparent 84%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .xb-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--xb-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--xb-cyan);
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  max-width: 16em;
  font-family: var(--xb-display);
  font-size: clamp(32px, 7.4vw, 66px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: #fff;
}

.page-faq .faq-hero__title em {
  display: block;
  font-style: normal;
  color: var(--xb-cyan);
}

.page-faq .faq-hero__lead {
  margin: 22px 0 0;
  max-width: 35em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: var(--xb-silver);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__jump a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 18px;
  border: 1px solid rgba(41, 242, 214, .34);
  border-radius: 999px;
  font-family: var(--xb-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--xb-cyan);
  text-decoration: none;
  transition: background .15s var(--xb-ease), transform .15s var(--xb-ease), border-color .15s var(--xb-ease);
}

.page-faq .faq-hero__jump a:hover,
.page-faq .faq-hero__jump a:focus-visible {
  background: rgba(41, 242, 214, .12);
  border-color: var(--xb-cyan);
  transform: translateY(-2px);
}

.page-faq .faq-hero__jump a:focus-visible {
  outline: 2px solid var(--xb-cyan);
  outline-offset: 3px;
}

/* ---------- 暖纸正文区 ---------- */
.page-faq .faq-main {
  position: relative;
  padding: 46px 0 84px;
  background: var(--xb-paper);
  color: var(--xb-ink);
}

.page-faq .faq-main::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--xb-cyan), var(--xb-orange) 58%, transparent);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

/* ---------- 左侧锚点导航 ---------- */
.page-faq .faq-rail {
  min-width: 0;
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-family: var(--xb-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--xb-slate);
}

.page-faq .faq-rail__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail__list a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding: 11px 8px 11px 0;
  border-bottom: 1px solid var(--faq-line);
  font-size: 14px;
  color: var(--xb-ink);
  text-decoration: none;
  transition: color .15s var(--xb-ease), padding-left .15s var(--xb-ease), background .15s var(--xb-ease);
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  color: #B8461A;
  padding-left: 8px;
  background: rgba(255, 106, 43, .08);
}

.page-faq .faq-rail__list a:focus-visible {
  outline: 2px solid var(--faq-focus);
  outline-offset: 2px;
}

.page-faq .faq-rail__num {
  font-family: var(--xb-mono);
  font-size: 12px;
  color: var(--xb-orange);
}

.page-faq .faq-rail__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--xb-slate);
}

.page-faq .faq-rail__note a {
  color: #B8461A;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 章节 ---------- */
.page-faq .faq-body {
  min-width: 0;
}

.page-faq .faq-sec {
  padding-bottom: 42px;
  margin-bottom: 42px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-sec:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-faq .faq-sec__num {
  font-family: var(--xb-mono);
  font-size: clamp(26px, 6vw, 44px);
  line-height: 1;
  color: var(--xb-orange);
  letter-spacing: -.02em;
}

.page-faq .faq-sec__title {
  margin: 0;
  font-family: var(--xb-display);
  font-size: clamp(21px, 4.4vw, 32px);
  line-height: 1.2;
  letter-spacing: -.005em;
  color: var(--xb-ink);
}

.page-faq .faq-sec__lead {
  max-width: 36em;
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.88;
  color: var(--faq-ink-soft);
}

.page-faq .faq-mono {
  font-family: var(--xb-mono);
  font-size: 1.06em;
  letter-spacing: .01em;
  color: #B8461A;
}

/* ---------- 三步上手 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 14px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  padding: 20px 20px 22px;
  background: rgba(27, 31, 42, .05);
  border-left: 3px solid var(--xb-orange);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  transition: background .16s var(--xb-ease), transform .16s var(--xb-ease);
}

.page-faq .faq-step:hover {
  background: rgba(255, 106, 43, .1);
  transform: translateY(-3px);
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--xb-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--xb-orange);
}

.page-faq .faq-step__title {
  margin: 10px 0 8px;
  font-family: var(--xb-display);
  font-size: clamp(17px, 2.4vw, 19px);
  line-height: 1.35;
  color: var(--xb-ink);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure .xb-figure__frame {
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: var(--xb-midnight);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure__cap {
  margin: 12px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--xb-orange);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--xb-slate);
}

/* ---------- 问答折叠 ---------- */
.page-faq .faq-list {
  margin: 0;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line);
  transition: background .16s var(--xb-ease);
}

.page-faq .faq-item:first-of-type {
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-item[open] {
  background: rgba(255, 255, 255, .62);
  box-shadow: inset 3px 0 0 var(--xb-orange);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 18px;
  align-items: center;
  gap: 14px;
  padding: 16px 16px 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--xb-ink);
  transition: color .15s var(--xb-ease);
}

.page-faq .faq-item[open] .faq-item__q {
  padding-left: 16px;
}

.page-faq .faq-item__q::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item__q:hover {
  color: #B8461A;
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--faq-focus);
  outline-offset: -2px;
}

.page-faq .faq-item__chev {
  justify-self: end;
  width: 11px;
  height: 11px;
  background: var(--xb-orange);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  transition: transform .2s var(--xb-ease);
}

.page-faq .faq-item[open] .faq-item__chev {
  transform: rotate(180deg);
}

.page-faq .faq-item__a {
  max-width: 34em;
  padding: 0 16px 20px 0;
  font-size: 14.8px;
  line-height: 1.92;
  color: var(--faq-ink-soft);
}

.page-faq .faq-item[open] .faq-item__a {
  padding-left: 16px;
}

.page-faq .faq-item__a p {
  margin: 0;
}

.page-faq .faq-item__a p + p {
  margin-top: 10px;
}

.page-faq .faq-item__a a {
  color: #B8461A;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--xb-ink);
}

/* ---------- 阵容章节的图文并置 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-faq .faq-split__main {
  min-width: 0;
}

.page-faq .faq-split__aside {
  min-width: 0;
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 0;
  padding: 22px 20px;
  background: rgba(255, 106, 43, .06);
  border: 1px solid rgba(255, 106, 43, .3);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-faq .faq-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 12px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(27, 31, 42, .2);
}

.page-faq .faq-contact__row:first-child {
  padding-top: 0;
}

.page-faq .faq-contact__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-contact__label {
  grid-column: 1 / -1;
  font-family: var(--xb-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--xb-slate);
}

.page-faq .faq-contact__value {
  min-width: 0;
  font-family: var(--xb-mono);
  font-size: clamp(14px, 3.4vw, 17px);
  line-height: 1.5;
  color: var(--xb-ink);
  word-break: break-all;
}

.page-faq .faq-contact__row--text .faq-contact__value {
  grid-column: 1 / -1;
}

.page-faq .faq-contact__value--text {
  font-family: var(--xb-body);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
  word-break: normal;
}

.page-faq .xb-copy {
  align-self: center;
  padding: 6px 14px;
  border: 1px solid rgba(27, 31, 42, .3);
  border-radius: 999px;
  background: transparent;
  font-family: var(--xb-mono);
  font-size: 12px;
  color: var(--xb-ink);
  cursor: pointer;
  transition: background .15s var(--xb-ease), border-color .15s var(--xb-ease), color .15s var(--xb-ease);
}

.page-faq .xb-copy:hover {
  background: rgba(255, 106, 43, .16);
  border-color: var(--xb-orange);
}

.page-faq .xb-copy:focus-visible {
  outline: 2px solid var(--faq-focus);
  outline-offset: 2px;
}

.page-faq .xb-copy[data-copied] {
  color: #1E8A50;
  border-color: #1E8A50;
}

/* ---------- 结尾引导 ---------- */
.page-faq .faq-outro {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px dashed rgba(27, 31, 42, .2);
}

.page-faq .faq-outro__text {
  margin: 0;
  font-size: 14.5px;
  color: var(--faq-ink-soft);
}

.page-faq .faq-outro__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-outro__acts .xb-btn {
  min-height: 42px;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px;
  text-decoration: none;
}

.page-faq .faq-outro__acts .xb-btn--ghost {
  border: 1px solid rgba(27, 31, 42, .3);
  color: var(--xb-ink);
  background: transparent;
}

.page-faq .faq-outro__acts .xb-btn--ghost:hover {
  border-color: var(--xb-orange);
  color: #B8461A;
}

/* ---------- 断点 ---------- */
@media (min-width: 680px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 820px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-split__aside {
    position: sticky;
    top: 92px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 46px 0 78px;
  }

  .page-faq .faq-main {
    padding: 58px 0 96px;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
  }
}

@media (max-width: 880px) {
  .page-faq .faq-main {
    padding-bottom: 110px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero__jump a,
  .page-faq .faq-step,
  .page-faq .faq-item,
  .page-faq .faq-item__chev,
  .page-faq .faq-item__q,
  .page-faq .faq-rail__list a,
  .page-faq .xb-copy {
    transition: none;
  }

  .page-faq .faq-hero__jump a:hover,
  .page-faq .faq-step:hover {
    transform: none;
  }
}